33 lines
1.0 KiB
C#
33 lines
1.0 KiB
C#
using Avalonia.Data.Converters;
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using Avalonia.Markup.Xaml;
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using System.Globalization;
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namespace Cowain.Base.Converters;
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public class BooleanToVisibilityConverter : MarkupExtension, IValueConverter
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{
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public bool FalseVisibility { get; set; } = false;
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public bool Negate { get; set; }
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public object? Convert(object value, Type targetType, object parameter, CultureInfo culture)
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{
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string? stringValue = value?.ToString();
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if (bool.TryParse(stringValue, out var b))
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{
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return (Negate ? !b : b) ? true : FalseVisibility;
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}
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else if (double.TryParse(stringValue, out var d))
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{
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return (Negate ? !(d > 0) : (d > 0)) ? true : FalseVisibility;
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}
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bool result = value != null;
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return (Negate ? !result : result) ? true : FalseVisibility;
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}
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public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
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=> value is bool v && v;
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public override object ProvideValue(IServiceProvider serviceProvider) => this;
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}
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